Home / 2,639.18-3,642.08-1,444.14

Finding the Fourth Proportional to 2,639.18, 3,642.08 and 1,444.14

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Solution

The fourth proportional to 2,639.18, 3,642.08 and 1,444.14 is: 1,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.18 : 3,642.08 = 1,444.14 : x
  2. Step 2: Convert to fraction form
    2,639.18/3,642.08 = 1,444.14/x
  3. Step 3: Cross multiply
    2,639.18x = 3,642.08 × 1,444.14
  4. Step 4: Simplify right side
    2,639.18x = 5,259,666.19
  5. Step 5: Solve for x
    x = 5,259,666.19/2,639.18
  6. Step 6: Final answer
    x = 1,992.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.